/Engine/Plugins/Media/PixelStreaming/Source/PixelStreamingBlueprint/Public/PixelStreamingStreamerComponent.h
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="PixelStreaming") void SendPlayerMessage ( uint8 Type, const [FString](API\Runtime\Core\Containers\FString) & Descriptor )